531285150 has 48 divisors (see below), whose sum is σ = 1437372288. Its totient is φ = 128796000.

The previous prime is 531285127. The next prime is 531285151. The reversal of 531285150 is 51582135.

It is a super-2 number, since 2×531285150² = 564527821221045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531285151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159346 + ... + 162645.

It is an arithmetic number, because the mean of its divisors is an integer number (29945256).

Almost surely, 2^531285150 is an apocalyptic number.

531285150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531285150 is an abundant number, since it is smaller than the sum of its proper divisors (906087138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531285150 is a wasteful number, since it uses less digits than its factorization.

531285150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322017 (or 322012 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 531285150 is about 23049.6236411790. The cubic root of 531285150 is about 809.9208122556.

The spelling of 531285150 in words is "five hundred thirty-one million, two hundred eighty-five thousand, one hundred fifty".